Region
Alaska
3
California
2
Minnesota
2
Oregon
2
Adams County
1
Albuquerque
1
Carver County
1
Colorado
1
Cottonwood Creek
1
Erie, Lake
1
Great Lakes Watershed (North America)
1
Great Sitkin Island
1
Illinois
1
McKenzie River
1
McKenzie River (Or.)
1
New Mexico
1
Pavlof Region
1
Rat Islands
1
Saint Lawrence River Watershed
1
San Fernando Valley
1
United States
1
Willamette River
1
Willamette River (Or.)
1